Do you remember learning how to wash your hands as a child? An adult would have taught you how to run your hands under running water and lather with soap to remove germs. Did you realize then that this lesson might have saved your life?

Since the administration of the first vaccine, immunization policy has evolved to better meet public health needs around the world. This evolution is most apparent when considering immunization policy in developing countries over the past 50 years.

Typhoid is a disease that strikes the most vulnerable, and refugees are no exception. This autumn, flooding and rains have ushered in outbreaks of typhoid and other diseases in two refugee camps in South Sudan and North Darfur.

While much progress has been made globally in reaching the public with immunizations, one in five children across the world still do not have access to routine immunizations.